Finding the Fourth Proportional to 488,269.95, 673,514.37 and 322,697.65
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Solution
The fourth proportional to 488,269.95, 673,514.37 and 322,697.65 is: 445,125.70
Step by Step Solution
- Step 1: Write the proportion equation
488,269.95 : 673,514.37 = 322,697.65 : x - Step 2: Convert to fraction form
488,269.95/673,514.37 = 322,697.65/x - Step 3: Cross multiply
488,269.95x = 673,514.37 × 322,697.65 - Step 4: Simplify right side
488,269.95x = 217,341,504,440.23 - Step 5: Solve for x
x = 217,341,504,440.23/488,269.95 - Step 6: Final answer
x = 445,125.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.